view libtomcrypt/src/mac/pmac/pmac_ntz.c @ 1521:198e2ee0f4b1

- Fix dependencies and remove old default_options.h from version control - Rename default_options.h.in -> default_options.h, and default_options.h -> default_options_guard.h - Fix newlines in default_options.h
author Matt Johnston <matt@ucc.asn.au>
date Mon, 19 Feb 2018 22:16:50 +0800
parents 6dba84798cd5
children
line wrap: on
line source

/* LibTomCrypt, modular cryptographic library -- Tom St Denis
 *
 * LibTomCrypt is a library that provides various cryptographic
 * algorithms in a highly modular and flexible manner.
 *
 * The library is free for all purposes without any express
 * guarantee it works.
 */
#include "tomcrypt.h"

/**
   @file pmac_ntz.c
   PMAC implementation, internal function, by Tom St Denis
*/

#ifdef LTC_PMAC

/**
  Internal PMAC function
*/
int pmac_ntz(unsigned long x)
{
   int c;
   x &= 0xFFFFFFFFUL;
   c = 0;
   while ((x & 1) == 0) {
      ++c;
      x >>= 1;
   }
   return c;
}

#endif

/* ref:         $Format:%D$ */
/* git commit:  $Format:%H$ */
/* commit time: $Format:%ai$ */